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Definition of "magnetosphere" [mag•net•o•sphere]

  • An asymmetrical region surrounding the earth, extending from about one hundred to several thousand kilometers above the surface, in which charged particles are trapped and their behavior is dominated by the earth's magnetic field. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "magnetosphere" in a sentence
  • "One from Cassini, also of the interaction between the solar wind and Jupiter's magnetosphere, is here."
  • "One from Voyager's passage through the bow shock of the solar wind against Jupiter's magnetosphere is here."
  • "One from Galileo's studies of Ganymede's magnetosphere is here."